11982045 has 16 divisors (see below), whose sum is σ = 19639872. Its totient is φ = 6234240.

The previous prime is 11982041. The next prime is 11982049. The reversal of 11982045 is 54028911.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11982041) and next prime (11982049).

It is not a de Polignac number, because 11982045 - 2² = 11982041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9127 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (1227492).

Almost surely, 2^11982045 is an apocalyptic number.

11982045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11982045 is a deficient number, since it is larger than the sum of its proper divisors (7657827).

11982045 is a wasteful number, since it uses less digits than its factorization.

11982045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19532.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 11982045 is about 3461.5090639777. The cubic root of 11982045 is about 228.8286062677.

The spelling of 11982045 in words is "eleven million, nine hundred eighty-two thousand, forty-five".